rpsmatch_test.gno

 1package rpsmatch
 2
 3import (
 4	"testing"
 5
 6	"gno.land/p/nt/avl/v0"
 7	"gno.land/p/nt/testutils/v0"
 8)
 9
10func resetState() {
11	players = avl.Tree{}
12	nonce = 0
13	totalRounds = 0
14	var zero address
15	champion = zero
16	championWins = 0
17}
18
19func TestJudge(t *testing.T) {
20	cases := []struct {
21		p, h Move
22		want int
23	}{
24		{Rock, Rock, 0},
25		{Paper, Paper, 0},
26		{Scissors, Scissors, 0},
27		{Paper, Rock, 1},
28		{Scissors, Paper, 1},
29		{Rock, Scissors, 1},
30		{Rock, Paper, 2},
31		{Paper, Scissors, 2},
32		{Scissors, Rock, 2},
33	}
34	for _, c := range cases {
35		if got := judge(c.p, c.h); got != c.want {
36			t.Fatalf("judge(%v,%v) = %d, want %d", c.p, c.h, got, c.want)
37		}
38	}
39}
40
41func TestParseMove(t *testing.T) {
42	for _, s := range []string{"rock", "Rock", " r ", "paper", "P", "scissors", "S"} {
43		if _, ok := parseMove(s); !ok {
44			t.Fatalf("parseMove(%q) should be valid", s)
45		}
46	}
47	if _, ok := parseMove("lizard"); ok {
48		t.Fatal("parseMove(\"lizard\") should be invalid")
49	}
50}
51
52// Crossing: Throw mutates realm state, so the test needs `cur realm`.
53func TestThrowUpdatesStats(cur realm, t *testing.T) {
54	resetState()
55	alice := testutils.TestAddress("alice")
56	testing.SetRealm(testing.NewUserRealm(alice))
57	Throw(cross(cur), "rock")
58
59	ps := getOrCreate(alice)
60	if ps.RoundsPlayed != 1 {
61		t.Fatalf("RoundsPlayed = %d, want 1", ps.RoundsPlayed)
62	}
63	if totalRounds != 1 {
64		t.Fatalf("totalRounds = %d, want 1", totalRounds)
65	}
66}
67
68func TestMatchCompletes(cur realm, t *testing.T) {
69	resetState()
70	alice := testutils.TestAddress("alice")
71	testing.SetRealm(testing.NewUserRealm(alice))
72
73	for i := 0; i < 10; i++ {
74		ps := getOrCreate(alice)
75		if ps.Active == nil && ps.MatchesPlayed > 0 {
76			break
77		}
78		Throw(cross(cur), "rock")
79	}
80
81	ps := getOrCreate(alice)
82	if ps.MatchesPlayed == 0 {
83		t.Fatal("expected a match to complete within 10 rounds")
84	}
85	if ps.MatchWins+ps.MatchLosses != ps.MatchesPlayed {
86		t.Fatalf("wins+losses (%d) != matchesPlayed (%d)", ps.MatchWins+ps.MatchLosses, ps.MatchesPlayed)
87	}
88}
89
90// Non-crossing: Render is a plain read.
91func TestRenderHome(t *testing.T) {
92	resetState()
93	out := Render("")
94	if out == "" {
95		t.Fatal("Render(\"\") should not be empty")
96	}
97}